Muzzled Kate Turner, Dvm Mystery Series, Book 1.

Making rounds to homes one wet spring morning, veterinarian Dr. Kate Turner rescues a family's hamster from a vacuum cleaner, then visits an estate whose owners breed champion Cavalier King Charles spaniels. Instead of sharing traditional tea with the couple, she confronts a bloody scene of bodies and twenty-seven blue-ribbon dogs running wild. Police initially suspect a murder-suicide, but when Dr. Kate proves the famous best-in-show champion is...